Swimming is her favourite hobby. Here 'Swimming' is-

• Swimming is her favourite hobby. Here 'Swimming' is- Gerund.

Gerund:
- Verb এর সাথে ing যোগ হয়ে যদি noun এর কাজ করে অর্থাৎ Verb ও noun এর কাজ করে, তাহলে তাকে Gerund বলে।
- সংক্ষেপে: Gerund = Verb + ing = noun = Verb + noun.
- It is a word ending in "-ing" that is made from a verb and used like a noun.
- Gerunds don’t describe action—they act as nouns.

তাই, প্রদত্ত বাক্যে 'Swimming' একটি gerund.